ISRC DEF059404934
Verified recording
DEF059404934 is “String Quartet No. 7 in F Major, Op. 59, No. 1 "Rasumovsky": IV. Thème russe. Allegro” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xf01387fafad50177139ca79d9323da9d10dbe0b79be522a10879bcb1e4d81ae3 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059404934.
Recording identifiers
- ISRC
- DEF059404934
- Title
- String Quartet No. 7 in F Major, Op. 59, No. 1 "Rasumovsky": IV. Thème russe. Allegro
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xf01387fafad50177139ca79d9323da9d10dbe0b79be522a10879bcb1e4d81ae3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:226671a75baa6fe99c9291e53b9d32440b5e4b944d8d0adb039e4e76c32aaca1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059404934
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: String Quartet No. 7 in F Major, Op. 59, No. 1 "Rasumovsky": IV. Thème russe. Allegro · Machine-readable JSON-LD